1.
Study on the Determination of Trace Amounts of Metal Impurities in High Purity Silver Nitrate;
高纯硝酸银中痕量金属杂质的测定研究
2.
Determination of trace metal impurities in high purity tungsten powders by ion chromatography-desolvating nebulizer system-ICP-MS
离子色谱-膜去溶-ICP-MS法测定高纯钨粉中痕量金属杂质
3.
Simultaneous Determination of Trace Metallic and Non-Metallic impurities in Ultra-Pure Water by ICP Spectrometry
超纯水中痕量金属和非金属杂质的同时测定
4.
OPTIMIZATION CF SEPARATION CONDITIONS FOR HIGH PERFORMANCE ION EXCHANGE CHROMATOGRAPHY AND FAST CONTINUOUS DETERMINATION OF TRACE HEAVY METAL IMPURITIES IN NOBLE METALS
高效离子交换色谱分离条件最优化和贵金属中痕量重金属杂质的快速连测
5.
Application of thiol cotton concentration and separation technique for the purification of chemical reagents
巯基棉富集分离技术在化学试剂提纯上的应用——盐类中痕量重金属杂质的去除
6.
Determination of the impurity elements in high purty gold using ICP-AES method after matrix extraction by ethyl acetate
乙酸乙酯萃取—ICP-AES测定高纯金中的痕量杂质
7.
Atomic Spectrometric Determination of Impurities in Pure Tungsten and Components in Tungsten-based Alloys
原子光谱分析法测定纯钨中痕量杂质和钨基硬质合金中组成元素
8.
Research on the Geochemical Feature and Contamination Assessment for Trace Metals in the Sediments from Zhejiang Offshore;
浙江近岸海域沉积物中痕量金属地球化学特征及环境质量评价
9.
Trace metal determination in human blood by inductively coupled plasma mass spectrometry
电感耦合等离子质谱法测定全血中痕量金属元素
10.
Determination of Trace Amount of B in High Purity Si by ICP-MS Using Microwave Assisted Dissolution
微波消解样品-电感耦合等离子体质谱法测定高纯金属硅中痕量硼
11.
Determination of Metal Impurities in RN Hydrotreating Catalyst by ICP-OES
ICP-OES方法测定RN型加氢催化剂中金属杂质含量
12.
A Removal of Trace Silicon Impurity from Aluminum Isopropoxide;
异丙醇铝中痕量硅杂质分离纯化研究
13.
Application of Determination of Trace Precious Metals by ICP-MS
ICP-MS法在测定痕量贵金属中的应用
14.
Electrolytic Separation-chemiluminescence Determination of Trace Metal lon in Water--Determination of Trace Amount of Cu(Ⅱ) Ion in Natural water
电解分离-化学发光法测定水中痕量金属——天然水中痕量铜(Ⅱ)的测定
15.
Generally speaking a usable ore must be relatively rich in the compounds of the metal and low in unwanted impurities.
总的说来．价值的矿石其金属含量应比较丰富，杂质含量应较低。
16.
Ments in Hich-purity WO_3 by Spectrographic Analysis;
高纯三氧化钨中20种痕量杂质元素的光谱分析
17.
Determination of 14 trace rare earth impurities in high-purity europium oxide by inductively coupled plasma mass spectrometry with membrane desolvation
膜去溶-ICP-MS法测定高纯Eu_2O_3中14种痕量稀土杂质
18.
The research of temperature-changing condensation equipment and method for determination of trace impurities in high purity hydrogen
高纯氢中痕量杂质变温浓缩装置及方法